Surname Vadan (Vadan 
, Вадан 
) , around the globe, is quite a rare cognomen. The last name Vadan is characteristic of Romania, where it is quite a rare surname, Ukraine, where it is a rare surname, and India. More prevalently, Vadan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vadan | Malaysia, Spain, India, Romania, United States |
| Вадан | Russia, Kazakhstan, Ukraine |
| mariuca vadan (b. 1972) |
|